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<DIV class=btitle>Mail (MX) Server Survey</DIV>
<DIV class=std>November 1st, 2006</div>
<P>

<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Report Description</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
<span class=std>This report is a comprehensive report involving all mail
servers we know of visible on the internet.  For each domain in our
conventional web server survey, we also determine the list of mail servers
that provide inbound mail services (via MX record lookups).  Each unique
mail server is connected to once each month, where we wait for the
server's "220 " message which usually accompanies a banner revealing
the server software being used.
</span>
<p>
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Basic Response Statistics</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
When connecting to an MX server, a number of different responses are
possible. The remote server may not be up and running or completely
refusing connections, it may not respond back with a "220 " line
in the amount of time we wait, nor will it always provide a banner that
identifies the type of software running.
<p>


<table border=0 cellspacing=2 cellpadding=4>
<tr bgcolor=#cccccc><td>Description></td>
    <td align=right>Number of Servers</td>
    <td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>Total Number of MX Servers Queried</td><td align=right>1,660,131</td><td align=right>&nbsp;&nbsp;&nbsp;100.0%</td></tr>
<tr bgcolor=#eeeeee><td>Number of Servers that didn't respond</td><td align=right>233,216</td><td align=right>14.05%</td></tr>
<tr bgcolor=#eeeeee><td>&nbsp;&nbsp;&nbsp;&nbsp;Server didn't open socket</td><td align=right>225,154</td><td align=right>13.56%</td></tr>
<tr bgcolor=#eeeeee><td>&nbsp;&nbsp;&nbsp;&nbsp;Server didn't provide banner</td><td align=right>8,062</td><td align=right>0.49%</td></tr>
<tr bgcolor=#eeeeee><td>Server provided banner</td><td align=right>1,426,915</td><td align=right>85.95%</td></tr>
<tr bgcolor=#eeeeee><td>Server banner identifies software in use</td><td align=right>903,858</td><td align=right>54.44%</td></tr>
</table>
<p>
As indicated by the above table, of the 1,660,131 servers
queried, only 903,858 servers
responded with a banner that allow us to identify the software being used.
All of the remaining information in this report is based on the responses
that allowed us to identify the software in use.

<p>
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Basic Technology Breakdown</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
<table border=0 cellspacing=2 cellpadding=4 width=80%>
<tr bgcolor=#cccccc><td>Server Type</td>
	<td align=right>Number of Servers</td>
	<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x1">Sendmail</a></td><td align=right>297,343</td><td align=right>32.90%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x2">Microsoft</a></td><td align=right>187,955</td><td align=right>20.79%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x3">Exim</a></td><td align=right>158,381</td><td align=right>17.52%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x4">Postfix</a></td><td align=right>115,219</td><td align=right>12.75%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x5">IMail</a></td><td align=right>46,791</td><td align=right>5.18%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x6">MDaemon</a></td><td align=right>21,071</td><td align=right>2.33%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x7">MailEnable</a></td><td align=right>18,169</td><td align=right>2.01%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x8">Lotus Domino</a></td><td align=right>8,870</td><td align=right>0.98%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x9">Merak</a></td><td align=right>8,612</td><td align=right>0.95%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x10">CommuniGate Pro</a></td><td align=right>5,574</td><td align=right>0.62%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x11">Trend Micro</a></td><td align=right>4,813</td><td align=right>0.53%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x12">GroupWise</a></td><td align=right>4,741</td><td align=right>0.52%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x13">WinWebMail</a></td><td align=right>4,032</td><td align=right>0.45%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x14">Kerio</a></td><td align=right>3,858</td><td align=right>0.43%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x15">ArGoSoft</a></td><td align=right>3,205</td><td align=right>0.35%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x16">XMail</a></td><td align=right>2,383</td><td align=right>0.26%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x17">NetIQ MailMarshal</a></td><td align=right>1,746</td><td align=right>0.19%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x18">SurgeSMTP</a></td><td align=right>1,681</td><td align=right>0.19%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x19">Interscan</a></td><td align=right>1,461</td><td align=right>0.16%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x20">Post.Office</a></td><td align=right>1,377</td><td align=right>0.15%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x21">InterScan VirusWall</a></td><td align=right>1,326</td><td align=right>0.15%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x22">ModusMail</a></td><td align=right>1,280</td><td align=right>0.14%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x23">Qmail Toaster</a></td><td align=right>1,028</td><td align=right>0.11%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x24">VisNetic</a></td><td align=right>755</td><td align=right>0.08%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x25">Mirapoint</a></td><td align=right>488</td><td align=right>0.05%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x26">MAILsweeper</a></td><td align=right>416</td><td align=right>0.05%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x27">Mercury</a></td><td align=right>387</td><td align=right>0.04%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x28">WebSTAR V</a></td><td align=right>360</td><td align=right>0.04%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x29">WebSTAR</a></td><td align=right>173</td><td align=right>0.02%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x30">MessageWall</a></td><td align=right>170</td><td align=right>0.02%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x31">Neon Mail Server</a></td><td align=right>158</td><td align=right>0.02%</td></tr>
<tr bgcolor=#eeeeee><td><a href="#x32">OpenVMS</a></td><td align=right>35</td><td align=right>0.00%</td></tr>
</table>

<p>
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Detailed Breakdown of Revisions on a Per-Server Basis</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>

<table border=0 cellspacing=2 cellpadding=4 width=80%>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x1"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Sendmail (297,343 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>8.12.11.20060614</td><td align=right>52,336</td><td align=right>17.60%</td></tr>
<tr bgcolor=#eeeeee><td>8.11.6</td><td align=right>44,424</td><td align=right>14.94%</td></tr>
<tr bgcolor=#eeeeee><td>8.12.11.20060308</td><td align=right>29,951</td><td align=right>10.07%</td></tr>
<tr bgcolor=#eeeeee><td>8.13.6</td><td align=right>28,917</td><td align=right>9.73%</td></tr>
<tr bgcolor=#eeeeee><td>8.12.10</td><td align=right>24,788</td><td align=right>8.34%</td></tr>
<tr bgcolor=#eeeeee><td>8.13.1</td><td align=right>19,404</td><td align=right>6.53%</td></tr>
<tr bgcolor=#eeeeee><td>8.12.11</td><td align=right>15,045</td><td align=right>5.06%</td></tr>
<tr bgcolor=#eeeeee><td>8.13.4</td><td align=right>12,172</td><td align=right>4.09%</td></tr>
<tr bgcolor=#eeeeee><td>8.12.8</td><td align=right>11,693</td><td align=right>3.93%</td></tr>
<tr bgcolor=#eeeeee><td>8.13.6.20060614</td><td align=right>9,069</td><td align=right>3.05%</td></tr>
<tr bgcolor=#eeeeee><td>8.10.2</td><td align=right>8,287</td><td align=right>2.79%</td></tr>
<tr bgcolor=#eeeeee><td>8.9.3</td><td align=right>7,503</td><td align=right>2.52%</td></tr>
<tr bgcolor=#eeeeee><td>8.13.7</td><td align=right>7,087</td><td align=right>2.38%</td></tr>
<tr bgcolor=#eeeeee><td>8.13.8</td><td align=right>6,520</td><td align=right>2.19%</td></tr>
<tr bgcolor=#eeeeee><td>8.13.3</td><td align=right>3,431</td><td align=right>1.15%</td></tr>
<tr bgcolor=#eeeeee><td>8.12.9</td><td align=right>3,134</td><td align=right>1.05%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>13,582</td><td align=right>4.57%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x2"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Microsoft (187,955 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>6.0.3790.1830</td><td align=right>114,795</td><td align=right>61.08%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.2195.6713</td><td align=right>40,134</td><td align=right>21.35%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.3790.211</td><td align=right>20,856</td><td align=right>11.10%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.2653.13</td><td align=right>3,403</td><td align=right>1.81%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.3790.0</td><td align=right>3,279</td><td align=right>1.74%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>5,488</td><td align=right>2.92%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x3"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Exim (158,381 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>4.52</td><td align=right>116,105</td><td align=right>73.31%</td></tr>
<tr bgcolor=#eeeeee><td>4.50</td><td align=right>10,408</td><td align=right>6.57%</td></tr>
<tr bgcolor=#eeeeee><td>4.60</td><td align=right>6,664</td><td align=right>4.21%</td></tr>
<tr bgcolor=#eeeeee><td>4.63</td><td align=right>4,802</td><td align=right>3.03%</td></tr>
<tr bgcolor=#eeeeee><td>4.62</td><td align=right>3,604</td><td align=right>2.28%</td></tr>
<tr bgcolor=#eeeeee><td>4.44</td><td align=right>3,112</td><td align=right>1.96%</td></tr>
<tr bgcolor=#eeeeee><td>3.36</td><td align=right>1,993</td><td align=right>1.26%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>11,693</td><td align=right>7.38%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x4"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Postfix (115,219 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>115,219</td><td align=right>100.00%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x5"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>IMail (46,791 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>8.15</td><td align=right>12,895</td><td align=right>27.56%</td></tr>
<tr bgcolor=#eeeeee><td>8.22</td><td align=right>5,736</td><td align=right>12.26%</td></tr>
<tr bgcolor=#eeeeee><td>6.06</td><td align=right>5,643</td><td align=right>12.06%</td></tr>
<tr bgcolor=#eeeeee><td>8.05</td><td align=right>5,086</td><td align=right>10.87%</td></tr>
<tr bgcolor=#eeeeee><td>9.10</td><td align=right>2,176</td><td align=right>4.65%</td></tr>
<tr bgcolor=#eeeeee><td>8.21</td><td align=right>1,997</td><td align=right>4.27%</td></tr>
<tr bgcolor=#eeeeee><td>7.15</td><td align=right>1,935</td><td align=right>4.14%</td></tr>
<tr bgcolor=#eeeeee><td>7.07</td><td align=right>1,712</td><td align=right>3.66%</td></tr>
<tr bgcolor=#eeeeee><td>9.04</td><td align=right>1,324</td><td align=right>2.83%</td></tr>
<tr bgcolor=#eeeeee><td>8.20</td><td align=right>996</td><td align=right>2.13%</td></tr>
<tr bgcolor=#eeeeee><td>8.00</td><td align=right>728</td><td align=right>1.56%</td></tr>
<tr bgcolor=#eeeeee><td>8.10</td><td align=right>705</td><td align=right>1.51%</td></tr>
<tr bgcolor=#eeeeee><td>8.14</td><td align=right>605</td><td align=right>1.29%</td></tr>
<tr bgcolor=#eeeeee><td>8.12</td><td align=right>559</td><td align=right>1.19%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>4,694</td><td align=right>10.03%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x6"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>MDaemon (21,071 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>9.0.7</td><td align=right>2,204</td><td align=right>10.46%</td></tr>
<tr bgcolor=#eeeeee><td>8.1.3</td><td align=right>2,047</td><td align=right>9.71%</td></tr>
<tr bgcolor=#eeeeee><td>9.0.6</td><td align=right>1,834</td><td align=right>8.70%</td></tr>
<tr bgcolor=#eeeeee><td>9.0.4</td><td align=right>1,539</td><td align=right>7.30%</td></tr>
<tr bgcolor=#eeeeee><td>6.8.5</td><td align=right>1,210</td><td align=right>5.74%</td></tr>
<tr bgcolor=#eeeeee><td>8.1.4</td><td align=right>993</td><td align=right>4.71%</td></tr>
<tr bgcolor=#eeeeee><td>7.2.3</td><td align=right>974</td><td align=right>4.62%</td></tr>
<tr bgcolor=#eeeeee><td>9.0.1</td><td align=right>928</td><td align=right>4.40%</td></tr>
<tr bgcolor=#eeeeee><td>7.2.0</td><td align=right>883</td><td align=right>4.19%</td></tr>
<tr bgcolor=#eeeeee><td>9.0.5</td><td align=right>772</td><td align=right>3.66%</td></tr>
<tr bgcolor=#eeeeee><td>9.0.0</td><td align=right>704</td><td align=right>3.34%</td></tr>
<tr bgcolor=#eeeeee><td>8.0.2</td><td align=right>663</td><td align=right>3.15%</td></tr>
<tr bgcolor=#eeeeee><td>8.1.1</td><td align=right>532</td><td align=right>2.52%</td></tr>
<tr bgcolor=#eeeeee><td>8.0.3</td><td align=right>532</td><td align=right>2.52%</td></tr>
<tr bgcolor=#eeeeee><td>8.1.5</td><td align=right>518</td><td align=right>2.46%</td></tr>
<tr bgcolor=#eeeeee><td>7.1.2</td><td align=right>449</td><td align=right>2.13%</td></tr>
<tr bgcolor=#eeeeee><td>7.1.0</td><td align=right>421</td><td align=right>2.00%</td></tr>
<tr bgcolor=#eeeeee><td>7.2.2</td><td align=right>414</td><td align=right>1.96%</td></tr>
<tr bgcolor=#eeeeee><td>6.8.4</td><td align=right>375</td><td align=right>1.78%</td></tr>
<tr bgcolor=#eeeeee><td>7.2.1</td><td align=right>352</td><td align=right>1.67%</td></tr>
<tr bgcolor=#eeeeee><td>8.0.1</td><td align=right>346</td><td align=right>1.64%</td></tr>
<tr bgcolor=#eeeeee><td>7.0.1</td><td align=right>337</td><td align=right>1.60%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>2,044</td><td align=right>9.70%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x7"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>MailEnable (18,169 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>1.8--</td><td align=right>2,807</td><td align=right>15.45%</td></tr>
<tr bgcolor=#eeeeee><td>1.9--</td><td align=right>2,391</td><td align=right>13.16%</td></tr>
<tr bgcolor=#eeeeee><td>1.96--</td><td align=right>1,648</td><td align=right>9.07%</td></tr>
<tr bgcolor=#eeeeee><td>1.95--</td><td align=right>1,596</td><td align=right>8.78%</td></tr>
<tr bgcolor=#eeeeee><td>0-1.75-</td><td align=right>889</td><td align=right>4.89%</td></tr>
<tr bgcolor=#eeeeee><td>0-1.79-</td><td align=right>745</td><td align=right>4.10%</td></tr>
<tr bgcolor=#eeeeee><td>0-1.54-</td><td align=right>715</td><td align=right>3.94%</td></tr>
<tr bgcolor=#eeeeee><td>0-1.6-</td><td align=right>608</td><td align=right>3.35%</td></tr>
<tr bgcolor=#eeeeee><td>0-2.2-</td><td align=right>539</td><td align=right>2.97%</td></tr>
<tr bgcolor=#eeeeee><td>0-2.11-</td><td align=right>445</td><td align=right>2.45%</td></tr>
<tr bgcolor=#eeeeee><td>1.73--</td><td align=right>431</td><td align=right>2.37%</td></tr>
<tr bgcolor=#eeeeee><td>0--2.2</td><td align=right>407</td><td align=right>2.24%</td></tr>
<tr bgcolor=#eeeeee><td>0-1.71-</td><td align=right>320</td><td align=right>1.76%</td></tr>
<tr bgcolor=#eeeeee><td>0-1.72-</td><td align=right>295</td><td align=right>1.62%</td></tr>
<tr bgcolor=#eeeeee><td>1.91--</td><td align=right>293</td><td align=right>1.61%</td></tr>
<tr bgcolor=#eeeeee><td>1.71--</td><td align=right>288</td><td align=right>1.59%</td></tr>
<tr bgcolor=#eeeeee><td>1.92--</td><td align=right>256</td><td align=right>1.41%</td></tr>
<tr bgcolor=#eeeeee><td>0--2.11</td><td align=right>187</td><td align=right>1.03%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>3,309</td><td align=right>18.21%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x8"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Lotus Domino (8,870 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>6.5.4</td><td align=right>926</td><td align=right>10.44%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.1</td><td align=right>853</td><td align=right>9.62%</td></tr>
<tr bgcolor=#eeeeee><td>7.0.1</td><td align=right>782</td><td align=right>8.82%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.3</td><td align=right>652</td><td align=right>7.35%</td></tr>
<tr bgcolor=#eeeeee><td>7.0</td><td align=right>571</td><td align=right>6.44%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.5</td><td align=right>521</td><td align=right>5.87%</td></tr>
<tr bgcolor=#eeeeee><td>6.5</td><td align=right>435</td><td align=right>4.90%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.2</td><td align=right>396</td><td align=right>4.46%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.11</td><td align=right>393</td><td align=right>4.43%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.12</td><td align=right>281</td><td align=right>3.17%</td></tr>
<tr bgcolor=#eeeeee><td>7.0.1FP1</td><td align=right>261</td><td align=right>2.94%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.8</td><td align=right>222</td><td align=right>2.50%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.4FP2</td><td align=right>205</td><td align=right>2.31%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.10</td><td align=right>198</td><td align=right>2.23%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.13a</td><td align=right>168</td><td align=right>1.89%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.2CF1</td><td align=right>161</td><td align=right>1.82%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.4FP1</td><td align=right>160</td><td align=right>1.80%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.5FP1</td><td align=right>149</td><td align=right>1.68%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.3</td><td align=right>147</td><td align=right>1.66%</td></tr>
<tr bgcolor=#eeeeee><td>6.0</td><td align=right>136</td><td align=right>1.53%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.4FP3</td><td align=right>119</td><td align=right>1.34%</td></tr>
<tr bgcolor=#eeeeee><td>7.0.2</td><td align=right>116</td><td align=right>1.31%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.9</td><td align=right>113</td><td align=right>1.27%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.3FP1</td><td align=right>96</td><td align=right>1.08%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.5</td><td align=right>94</td><td align=right>1.06%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>715</td><td align=right>8.06%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x9"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Merak (8,612 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>8.5.0</td><td align=right>2,143</td><td align=right>24.88%</td></tr>
<tr bgcolor=#eeeeee><td>8.0.3</td><td align=right>1,890</td><td align=right>21.95%</td></tr>
<tr bgcolor=#eeeeee><td>8.3.8</td><td align=right>748</td><td align=right>8.69%</td></tr>
<tr bgcolor=#eeeeee><td>7.4.5</td><td align=right>473</td><td align=right>5.49%</td></tr>
<tr bgcolor=#eeeeee><td>7.6.4</td><td align=right>371</td><td align=right>4.31%</td></tr>
<tr bgcolor=#eeeeee><td>7.5.2</td><td align=right>354</td><td align=right>4.11%</td></tr>
<tr bgcolor=#eeeeee><td>8.2.4</td><td align=right>256</td><td align=right>2.97%</td></tr>
<tr bgcolor=#eeeeee><td>7.4.2</td><td align=right>235</td><td align=right>2.73%</td></tr>
<tr bgcolor=#eeeeee><td>7.2.0</td><td align=right>201</td><td align=right>2.33%</td></tr>
<tr bgcolor=#eeeeee><td>6.2.1</td><td align=right>155</td><td align=right>1.80%</td></tr>
<tr bgcolor=#eeeeee><td>8.3.0</td><td align=right>137</td><td align=right>1.59%</td></tr>
<tr bgcolor=#eeeeee><td>7.4.0</td><td align=right>120</td><td align=right>1.39%</td></tr>
<tr bgcolor=#eeeeee><td>4.4.2</td><td align=right>111</td><td align=right>1.29%</td></tr>
<tr bgcolor=#eeeeee><td>7.6.1</td><td align=right>107</td><td align=right>1.24%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.7</td><td align=right>87</td><td align=right>1.01%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>1,224</td><td align=right>14.21%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x10"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>CommuniGate Pro (5,574 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>4.1.8</td><td align=right>880</td><td align=right>15.79%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.9</td><td align=right>594</td><td align=right>10.66%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.10</td><td align=right>571</td><td align=right>10.24%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.4</td><td align=right>231</td><td align=right>4.14%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.8</td><td align=right>222</td><td align=right>3.98%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.8</td><td align=right>189</td><td align=right>3.39%</td></tr>
<tr bgcolor=#eeeeee><td>5.1</td><td align=right>188</td><td align=right>3.37%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.11</td><td align=right>186</td><td align=right>3.34%</td></tr>
<tr bgcolor=#eeeeee><td>4.2</td><td align=right>166</td><td align=right>2.98%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.8</td><td align=right>152</td><td align=right>2.73%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.9</td><td align=right>142</td><td align=right>2.55%</td></tr>
<tr bgcolor=#eeeeee><td>4.0.6</td><td align=right>139</td><td align=right>2.49%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.10</td><td align=right>127</td><td align=right>2.28%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.7</td><td align=right>127</td><td align=right>2.28%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.6</td><td align=right>126</td><td align=right>2.26%</td></tr>
<tr bgcolor=#eeeeee><td>3.5.9</td><td align=right>101</td><td align=right>1.81%</td></tr>
<tr bgcolor=#eeeeee><td>4.0.1</td><td align=right>96</td><td align=right>1.72%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.6</td><td align=right>95</td><td align=right>1.70%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.3</td><td align=right>66</td><td align=right>1.18%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.4</td><td align=right>65</td><td align=right>1.17%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.1</td><td align=right>64</td><td align=right>1.15%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.7</td><td align=right>62</td><td align=right>1.11%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.6</td><td align=right>61</td><td align=right>1.09%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>924</td><td align=right>16.58%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x11"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Trend Micro (4,813 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>5.5</td><td align=right>2,970</td><td align=right>61.71%</td></tr>
<tr bgcolor=#eeeeee><td>5.7</td><td align=right>1,294</td><td align=right>26.89%</td></tr>
<tr bgcolor=#eeeeee><td>5.18</td><td align=right>472</td><td align=right>9.81%</td></tr>
<tr bgcolor=#eeeeee><td>5.15</td><td align=right>52</td><td align=right>1.08%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>25</td><td align=right>0.52%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x12"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>GroupWise (4,741 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>7.0.1</td><td align=right>989</td><td align=right>20.86%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.4</td><td align=right>779</td><td align=right>16.43%</td></tr>
<tr bgcolor=#eeeeee><td>7.0</td><td align=right>386</td><td align=right>8.14%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.4</td><td align=right>384</td><td align=right>8.10%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.5</td><td align=right>378</td><td align=right>7.97%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.6</td><td align=right>319</td><td align=right>6.73%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.1</td><td align=right>283</td><td align=right>5.97%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.7</td><td align=right>188</td><td align=right>3.97%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.3</td><td align=right>174</td><td align=right>3.67%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.2</td><td align=right>171</td><td align=right>3.61%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.2</td><td align=right>132</td><td align=right>2.78%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.3</td><td align=right>113</td><td align=right>2.38%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.5</td><td align=right>106</td><td align=right>2.24%</td></tr>
<tr bgcolor=#eeeeee><td>6.5.0</td><td align=right>104</td><td align=right>2.19%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.1</td><td align=right>83</td><td align=right>1.75%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>152</td><td align=right>3.21%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x13"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>WinWebMail (4,032 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>3.7.1.1</td><td align=right>1,356</td><td align=right>33.63%</td></tr>
<tr bgcolor=#eeeeee><td>3.6.3.1</td><td align=right>1,021</td><td align=right>25.32%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.0.5</td><td align=right>620</td><td align=right>15.38%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.0.7</td><td align=right>563</td><td align=right>13.96%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.0.3</td><td align=right>417</td><td align=right>10.34%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>55</td><td align=right>1.36%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x14"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Kerio (3,858 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>6.2.2</td><td align=right>752</td><td align=right>19.49%</td></tr>
<tr bgcolor=#eeeeee><td>6.2.0</td><td align=right>492</td><td align=right>12.75%</td></tr>
<tr bgcolor=#eeeeee><td>6.1.4</td><td align=right>340</td><td align=right>8.81%</td></tr>
<tr bgcolor=#eeeeee><td>6.1.3</td><td align=right>333</td><td align=right>8.63%</td></tr>
<tr bgcolor=#eeeeee><td>6.1.2</td><td align=right>286</td><td align=right>7.41%</td></tr>
<tr bgcolor=#eeeeee><td>6.1.0</td><td align=right>229</td><td align=right>5.94%</td></tr>
<tr bgcolor=#eeeeee><td>6.2.1</td><td align=right>187</td><td align=right>4.85%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.10</td><td align=right>178</td><td align=right>4.61%</td></tr>
<tr bgcolor=#eeeeee><td>6.1.1</td><td align=right>152</td><td align=right>3.94%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.3</td><td align=right>117</td><td align=right>3.03%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.8</td><td align=right>86</td><td align=right>2.23%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.6</td><td align=right>71</td><td align=right>1.84%</td></tr>
<tr bgcolor=#eeeeee><td>5.7.10</td><td align=right>68</td><td align=right>1.76%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.9</td><td align=right>65</td><td align=right>1.68%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.7</td><td align=right>55</td><td align=right>1.43%</td></tr>
<tr bgcolor=#eeeeee><td>5.7.9</td><td align=right>41</td><td align=right>1.06%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>406</td><td align=right>10.52%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x15"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>ArGoSoft (3,205 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.8.7)</td><td align=right>896</td><td align=right>27.96%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.8.8)</td><td align=right>658</td><td align=right>20.53%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.8.1)</td><td align=right>147</td><td align=right>4.59%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.6.0)</td><td align=right>123</td><td align=right>3.84%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.8.2)</td><td align=right>97</td><td align=right>3.03%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.8.3)</td><td align=right>97</td><td align=right>3.03%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.8.5)</td><td align=right>92</td><td align=right>2.87%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.8.4)</td><td align=right>83</td><td align=right>2.59%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.7.5)</td><td align=right>73</td><td align=right>2.28%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.8.6)</td><td align=right>66</td><td align=right>2.06%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.5.9)</td><td align=right>60</td><td align=right>1.87%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.6.6)</td><td align=right>49</td><td align=right>1.53%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.8.9 </td><td align=right>46</td><td align=right>1.44%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.7.3)</td><td align=right>41</td><td align=right>1.28%</td></tr>
<tr bgcolor=#eeeeee><td>1.8 (1.8.7.6)</td><td align=right>41</td><td align=right>1.28%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>636</td><td align=right>19.84%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x16"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>XMail (2,383 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>1.22</td><td align=right>1,015</td><td align=right>42.59%</td></tr>
<tr bgcolor=#eeeeee><td>1.21</td><td align=right>542</td><td align=right>22.74%</td></tr>
<tr bgcolor=#eeeeee><td>1.20</td><td align=right>256</td><td align=right>10.74%</td></tr>
<tr bgcolor=#eeeeee><td>1.17</td><td align=right>217</td><td align=right>9.11%</td></tr>
<tr bgcolor=#eeeeee><td>1.18</td><td align=right>78</td><td align=right>3.27%</td></tr>
<tr bgcolor=#eeeeee><td>1.12</td><td align=right>71</td><td align=right>2.98%</td></tr>
<tr bgcolor=#eeeeee><td>1.16</td><td align=right>43</td><td align=right>1.80%</td></tr>
<tr bgcolor=#eeeeee><td>1.10</td><td align=right>38</td><td align=right>1.59%</td></tr>
<tr bgcolor=#eeeeee><td>1.15</td><td align=right>29</td><td align=right>1.22%</td></tr>
<tr bgcolor=#eeeeee><td>1.11</td><td align=right>27</td><td align=right>1.13%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>67</td><td align=right>2.81%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x17"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>NetIQ MailMarshal (1,746 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>6.0.3.8</td><td align=right>1,219</td><td align=right>69.82%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.6.7</td><td align=right>172</td><td align=right>9.85%</td></tr>
<tr bgcolor=#eeeeee><td>6.1.3.15</td><td align=right>88</td><td align=right>5.04%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.5.9</td><td align=right>51</td><td align=right>2.92%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.4.16</td><td align=right>49</td><td align=right>2.81%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.6.6</td><td align=right>38</td><td align=right>2.18%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.6.5</td><td align=right>33</td><td align=right>1.89%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.5.6</td><td align=right>26</td><td align=right>1.49%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.4.17</td><td align=right>18</td><td align=right>1.03%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>52</td><td align=right>2.98%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x18"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>SurgeSMTP (1,681 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>3.7b8-8</td><td align=right>631</td><td align=right>37.54%</td></tr>
<tr bgcolor=#eeeeee><td>3.6f5-5</td><td align=right>196</td><td align=right>11.66%</td></tr>
<tr bgcolor=#eeeeee><td>3.8b-1</td><td align=right>114</td><td align=right>6.78%</td></tr>
<tr bgcolor=#eeeeee><td>3.5b3-3</td><td align=right>109</td><td align=right>6.48%</td></tr>
<tr bgcolor=#eeeeee><td>3.7b6-6</td><td align=right>107</td><td align=right>6.37%</td></tr>
<tr bgcolor=#eeeeee><td>3.0c2-2</td><td align=right>98</td><td align=right>5.83%</td></tr>
<tr bgcolor=#eeeeee><td>3.8a-8</td><td align=right>40</td><td align=right>2.38%</td></tr>
<tr bgcolor=#eeeeee><td>2.1c7-7</td><td align=right>34</td><td align=right>2.02%</td></tr>
<tr bgcolor=#eeeeee><td>2.0g2-1</td><td align=right>24</td><td align=right>1.43%</td></tr>
<tr bgcolor=#eeeeee><td>1.6e2</td><td align=right>23</td><td align=right>1.37%</td></tr>
<tr bgcolor=#eeeeee><td>1.8g3</td><td align=right>23</td><td align=right>1.37%</td></tr>
<tr bgcolor=#eeeeee><td>3.6f3-3</td><td align=right>23</td><td align=right>1.37%</td></tr>
<tr bgcolor=#eeeeee><td>2.2c10-10</td><td align=right>19</td><td align=right>1.13%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>240</td><td align=right>14.28%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x19"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Interscan (1,461 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>3.55 (build 1016)</td><td align=right>348</td><td align=right>23.82%</td></tr>
<tr bgcolor=#eeeeee><td>3.81-Build_1022</td><td align=right>186</td><td align=right>12.73%</td></tr>
<tr bgcolor=#eeeeee><td>3.53 (build 2011)</td><td align=right>140</td><td align=right>9.58%</td></tr>
<tr bgcolor=#eeeeee><td>3.55 (build 1029)</td><td align=right>130</td><td align=right>8.90%</td></tr>
<tr bgcolor=#eeeeee><td>3.8-Build_3013</td><td align=right>123</td><td align=right>8.42%</td></tr>
<tr bgcolor=#eeeeee><td>3.53 (build 2017)</td><td align=right>110</td><td align=right>7.53%</td></tr>
<tr bgcolor=#eeeeee><td>3.53 (build 2013)</td><td align=right>76</td><td align=right>5.20%</td></tr>
<tr bgcolor=#eeeeee><td>3.55 (build 1020)</td><td align=right>57</td><td align=right>3.90%</td></tr>
<tr bgcolor=#eeeeee><td>3.52 (build 1375)</td><td align=right>52</td><td align=right>3.56%</td></tr>
<tr bgcolor=#eeeeee><td>3.53 (build 1493)</td><td align=right>36</td><td align=right>2.46%</td></tr>
<tr bgcolor=#eeeeee><td>3.8-Build_1080</td><td align=right>25</td><td align=right>1.71%</td></tr>
<tr bgcolor=#eeeeee><td>3.81-Build_1084</td><td align=right>15</td><td align=right>1.03%</td></tr>
<tr bgcolor=#eeeeee><td>3.55 (build 1018)</td><td align=right>15</td><td align=right>1.03%</td></tr>
<tr bgcolor=#eeeeee><td>3.8-Build_3065</td><td align=right>15</td><td align=right>1.03%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>133</td><td align=right>9.10%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x20"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Post.Office (1,377 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>3.5.3</td><td align=right>506</td><td align=right>36.75%</td></tr>
<tr bgcolor=#eeeeee><td>3.5.3J</td><td align=right>142</td><td align=right>10.31%</td></tr>
<tr bgcolor=#eeeeee><td>3.6.3</td><td align=right>74</td><td align=right>5.37%</td></tr>
<tr bgcolor=#eeeeee><td>3.8.3</td><td align=right>73</td><td align=right>5.30%</td></tr>
<tr bgcolor=#eeeeee><td>3.6.2</td><td align=right>55</td><td align=right>3.99%</td></tr>
<tr bgcolor=#eeeeee><td>3.1.2J</td><td align=right>47</td><td align=right>3.41%</td></tr>
<tr bgcolor=#eeeeee><td>3.9.1</td><td align=right>42</td><td align=right>3.05%</td></tr>
<tr bgcolor=#eeeeee><td>3.1.2</td><td align=right>40</td><td align=right>2.90%</td></tr>
<tr bgcolor=#eeeeee><td>3.8.4</td><td align=right>35</td><td align=right>2.54%</td></tr>
<tr bgcolor=#eeeeee><td>4.0.1</td><td align=right>34</td><td align=right>2.47%</td></tr>
<tr bgcolor=#eeeeee><td>3.5.2</td><td align=right>31</td><td align=right>2.25%</td></tr>
<tr bgcolor=#eeeeee><td>3.9.0</td><td align=right>29</td><td align=right>2.11%</td></tr>
<tr bgcolor=#eeeeee><td>3.9.2</td><td align=right>29</td><td align=right>2.11%</td></tr>
<tr bgcolor=#eeeeee><td>3.6.0</td><td align=right>24</td><td align=right>1.74%</td></tr>
<tr bgcolor=#eeeeee><td>4.0.0.2</td><td align=right>20</td><td align=right>1.45%</td></tr>
<tr bgcolor=#eeeeee><td>4.0.0.1</td><td align=right>17</td><td align=right>1.23%</td></tr>
<tr bgcolor=#eeeeee><td>3.8.7.4</td><td align=right>17</td><td align=right>1.23%</td></tr>
<tr bgcolor=#eeeeee><td>3.8.5</td><td align=right>14</td><td align=right>1.02%</td></tr>
<tr bgcolor=#eeeeee><td>3.9.1.3</td><td align=right>14</td><td align=right>1.02%</td></tr>
<tr bgcolor=#eeeeee><td>3.6</td><td align=right>14</td><td align=right>1.02%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>120</td><td align=right>8.71%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x21"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>InterScan VirusWall (1,326 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>1,326</td><td align=right>100.00%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x22"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>ModusMail (1,280 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>4.35.480.0</td><td align=right>925</td><td align=right>72.27%</td></tr>
<tr bgcolor=#eeeeee><td>4.35.477.0</td><td align=right>52</td><td align=right>4.06%</td></tr>
<tr bgcolor=#eeeeee><td>4.1.361.21</td><td align=right>39</td><td align=right>3.05%</td></tr>
<tr bgcolor=#eeeeee><td>3.2.315.0</td><td align=right>32</td><td align=right>2.50%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.425.16</td><td align=right>31</td><td align=right>2.42%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.459.0</td><td align=right>28</td><td align=right>2.19%</td></tr>
<tr bgcolor=#eeeeee><td>3.1.302.0</td><td align=right>26</td><td align=right>2.03%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.425.22</td><td align=right>25</td><td align=right>1.95%</td></tr>
<tr bgcolor=#eeeeee><td>4.35.480.11</td><td align=right>20</td><td align=right>1.56%</td></tr>
<tr bgcolor=#eeeeee><td>3.1.297.0</td><td align=right>17</td><td align=right>1.33%</td></tr>
<tr bgcolor=#eeeeee><td>4.1.361.0</td><td align=right>16</td><td align=right>1.25%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>69</td><td align=right>5.39%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x23"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Qmail Toaster (1,028 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>1.2</td><td align=right>590</td><td align=right>57.39%</td></tr>
<tr bgcolor=#eeeeee><td>1.3</td><td align=right>289</td><td align=right>28.11%</td></tr>
<tr bgcolor=#eeeeee><td>1.0</td><td align=right>147</td><td align=right>14.30%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>2</td><td align=right>0.19%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x24"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>VisNetic (755 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>7.2.4.1</td><td align=right>81</td><td align=right>10.73%</td></tr>
<tr bgcolor=#eeeeee><td>8.0.3.0</td><td align=right>60</td><td align=right>7.95%</td></tr>
<tr bgcolor=#eeeeee><td>8.3.5.0</td><td align=right>59</td><td align=right>7.81%</td></tr>
<tr bgcolor=#eeeeee><td>8.5.0.8</td><td align=right>56</td><td align=right>7.42%</td></tr>
<tr bgcolor=#eeeeee><td>8.5.0.5</td><td align=right>50</td><td align=right>6.62%</td></tr>
<tr bgcolor=#eeeeee><td>5.8.6.6</td><td align=right>46</td><td align=right>6.09%</td></tr>
<tr bgcolor=#eeeeee><td>7.6.1.0</td><td align=right>45</td><td align=right>5.96%</td></tr>
<tr bgcolor=#eeeeee><td>5.0.2.3</td><td align=right>45</td><td align=right>5.96%</td></tr>
<tr bgcolor=#eeeeee><td>8.3.6</td><td align=right>44</td><td align=right>5.83%</td></tr>
<tr bgcolor=#eeeeee><td>6.2.2.0</td><td align=right>43</td><td align=right>5.70%</td></tr>
<tr bgcolor=#eeeeee><td>8.0.3.1</td><td align=right>36</td><td align=right>4.77%</td></tr>
<tr bgcolor=#eeeeee><td>5.5.8.3</td><td align=right>32</td><td align=right>4.24%</td></tr>
<tr bgcolor=#eeeeee><td>5.4.5.4</td><td align=right>22</td><td align=right>2.91%</td></tr>
<tr bgcolor=#eeeeee><td>7.5.3.0</td><td align=right>21</td><td align=right>2.78%</td></tr>
<tr bgcolor=#eeeeee><td>5.3.5.0</td><td align=right>16</td><td align=right>2.12%</td></tr>
<tr bgcolor=#eeeeee><td>8.0.3</td><td align=right>15</td><td align=right>1.99%</td></tr>
<tr bgcolor=#eeeeee><td>8.3.0.1</td><td align=right>12</td><td align=right>1.59%</td></tr>
<tr bgcolor=#eeeeee><td>5.8.6.4</td><td align=right>12</td><td align=right>1.59%</td></tr>
<tr bgcolor=#eeeeee><td>6.0.9.0</td><td align=right>9</td><td align=right>1.19%</td></tr>
<tr bgcolor=#eeeeee><td>7.2.4.0</td><td align=right>8</td><td align=right>1.06%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>43</td><td align=right>5.70%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x25"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Mirapoint (488 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>3.7.5a-GA</td><td align=right>77</td><td align=right>15.78%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.3a-GA</td><td align=right>69</td><td align=right>14.14%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.4b-GA</td><td align=right>48</td><td align=right>9.84%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.5-GA</td><td align=right>42</td><td align=right>8.61%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.2-GA</td><td align=right>27</td><td align=right>5.53%</td></tr>
<tr bgcolor=#eeeeee><td>3.8.2-GA</td><td align=right>27</td><td align=right>5.53%</td></tr>
<tr bgcolor=#eeeeee><td>3.5.8-GR</td><td align=right>23</td><td align=right>4.71%</td></tr>
<tr bgcolor=#eeeeee><td>3.8.1-FCS</td><td align=right>22</td><td align=right>4.51%</td></tr>
<tr bgcolor=#eeeeee><td>3.8.0-FCS</td><td align=right>20</td><td align=right>4.10%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.1-GA</td><td align=right>19</td><td align=right>3.89%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.0-GA</td><td align=right>12</td><td align=right>2.46%</td></tr>
<tr bgcolor=#eeeeee><td>1.1.0</td><td align=right>11</td><td align=right>2.25%</td></tr>
<tr bgcolor=#eeeeee><td>3.6.6-GR</td><td align=right>9</td><td align=right>1.84%</td></tr>
<tr bgcolor=#eeeeee><td>3.5.9-GR</td><td align=right>9</td><td align=right>1.84%</td></tr>
<tr bgcolor=#eeeeee><td>3.7.3-GA</td><td align=right>9</td><td align=right>1.84%</td></tr>
<tr bgcolor=#eeeeee><td>3.6.4-CR</td><td align=right>9</td><td align=right>1.84%</td></tr>
<tr bgcolor=#eeeeee><td>3.6.5-GR</td><td align=right>8</td><td align=right>1.64%</td></tr>
<tr bgcolor=#eeeeee><td>3.4.6-GR</td><td align=right>5</td><td align=right>1.02%</td></tr>
<tr bgcolor=#eeeeee><td>3.4.5-GR</td><td align=right>5</td><td align=right>1.02%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>37</td><td align=right>7.58%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x26"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>MAILsweeper (416 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>4.3.17.0</td><td align=right>72</td><td align=right>17.31%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.12.0</td><td align=right>71</td><td align=right>17.07%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.19.0</td><td align=right>65</td><td align=right>15.63%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.14.0</td><td align=right>64</td><td align=right>15.38%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.20.0</td><td align=right>41</td><td align=right>9.86%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.10.0</td><td align=right>22</td><td align=right>5.29%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.1.0</td><td align=right>18</td><td align=right>4.33%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.10.0</td><td align=right>16</td><td align=right>3.85%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.5.0</td><td align=right>15</td><td align=right>3.61%</td></tr>
<tr bgcolor=#eeeeee><td>4.3.6.0</td><td align=right>14</td><td align=right>3.37%</td></tr>
<tr bgcolor=#eeeeee><td>4.2.1.0</td><td align=right>14</td><td align=right>3.37%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>4</td><td align=right>0.96%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x27"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Mercury (387 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>1.48</td><td align=right>168</td><td align=right>43.41%</td></tr>
<tr bgcolor=#eeeeee><td>3.32</td><td align=right>133</td><td align=right>34.37%</td></tr>
<tr bgcolor=#eeeeee><td>3.21c</td><td align=right>28</td><td align=right>7.24%</td></tr>
<tr bgcolor=#eeeeee><td>3.31</td><td align=right>20</td><td align=right>5.17%</td></tr>
<tr bgcolor=#eeeeee><td>1.44</td><td align=right>15</td><td align=right>3.88%</td></tr>
<tr bgcolor=#eeeeee><td>1.47</td><td align=right>8</td><td align=right>2.07%</td></tr>
<tr bgcolor=#eeeeee><td>3.01a</td><td align=right>6</td><td align=right>1.55%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>9</td><td align=right>2.33%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x28"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>WebSTAR V (360 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>5.4.1</td><td align=right>103</td><td align=right>28.61%</td></tr>
<tr bgcolor=#eeeeee><td>5.4.0</td><td align=right>103</td><td align=right>28.61%</td></tr>
<tr bgcolor=#eeeeee><td>5.3.4</td><td align=right>84</td><td align=right>23.33%</td></tr>
<tr bgcolor=#eeeeee><td>5.3.3</td><td align=right>33</td><td align=right>9.17%</td></tr>
<tr bgcolor=#eeeeee><td>5.3.2</td><td align=right>19</td><td align=right>5.28%</td></tr>
<tr bgcolor=#eeeeee><td>5.3.0</td><td align=right>9</td><td align=right>2.50%</td></tr>
<tr bgcolor=#eeeeee><td>5.3.1</td><td align=right>6</td><td align=right>1.67%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>3</td><td align=right>0.83%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x29"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>WebSTAR (173 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>173</td><td align=right>100.00%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x30"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>MessageWall (170 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>1.0.8</td><td align=right>133</td><td align=right>78.24%</td></tr>
<tr bgcolor=#eeeeee><td>1.0.11</td><td align=right>19</td><td align=right>11.18%</td></tr>
<tr bgcolor=#eeeeee><td>1.1.23</td><td align=right>7</td><td align=right>4.12%</td></tr>
<tr bgcolor=#eeeeee><td>1.1.0</td><td align=right>4</td><td align=right>2.35%</td></tr>
<tr bgcolor=#eeeeee><td>1.0.6</td><td align=right>3</td><td align=right>1.76%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>4</td><td align=right>2.35%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x31"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>Neon Mail Server (158 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>3.0.7</td><td align=right>74</td><td align=right>46.84%</td></tr>
<tr bgcolor=#eeeeee><td>3.0.9</td><td align=right>59</td><td align=right>37.34%</td></tr>
<tr bgcolor=#eeeeee><td>3.0.8</td><td align=right>11</td><td align=right>6.96%</td></tr>
<tr bgcolor=#eeeeee><td>3.0.6</td><td align=right>9</td><td align=right>5.70%</td></tr>
<tr bgcolor=#eeeeee><td>3.0.4</td><td align=right>2</td><td align=right>1.27%</td></tr>
<tr bgcolor=#eeeeee><td>3.0.5</td><td align=right>2</td><td align=right>1.27%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>1</td><td align=right>0.63%</td></tr>
<tr><td colspan=3 bgcolor=#ffffff><P><a name="x32"
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr><td class=title>OpenVMS (35 servers)</td></tr>
<tr><td align="left" bgcolor=#ff6600><img src="/sspace/images/orangebar.gif" width=70 height=3></td></tr></table>
</td></tr><tr bgcolor=#cccccc><td>Version</td>
<td align=right>Number of Servers</td>
<td align=right>Percent</td></tr>
<tr bgcolor=#eeeeee><td>7.3</td><td align=right>18</td><td align=right>51.43%</td></tr>
<tr bgcolor=#eeeeee><td>8.2</td><td align=right>10</td><td align=right>28.57%</td></tr>
<tr bgcolor=#eeeeee><td>7.2</td><td align=right>5</td><td align=right>14.29%</td></tr>
<tr bgcolor=#eeeeee><td>6.1</td><td align=right>2</td><td align=right>5.71%</td></tr>
<tr bgcolor=#eeeeee><td>Other</td><td align=right>0</td><td align=right>0.00%</td></tr>
</table>

<br>
<br><div class=xsmall>
Copyright&#169; 
1998-2006 
<A HREF="http://www.e-softinc.com">E-Soft </A>Inc.
Excerpts of this report may be reproduced providing that
<A HREF="http://www.e-softinc.com">E-Soft</A> and
the URL
<A HREF="http://www.securityspace.com" TARGET="_top">http://www.securityspace.com</A>
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